| Verfasser | Häufigkeit |
|---|---|
| Köster, Lothar | 2 |
| Perz, Bertrand 1958- | 2 |
| Perz, Hans | 2 |
| Tsiwikis, Georg | 2 |
| Hackl, Gabriele 1987- | 1 |
| Krammer, Hans Jörg | 1 |
| Perz, Helmuth 1963- | 1 |
| Perz, Hermann Friedrich | 1 |
| Perz, Hilde | 1 |
| Perz, Karin | 1 |
| Safrian, Hans 1952- | 1 |
| Wachter, Alexandra 1972- | 1 |